SA662Gr.C steel is the US ASME standard pressure vessel C-Mn steel plate, mainly used for the manufacture of low temperature welding pressure vessels. Applied in petroleum, chemical, power station, boiler and other industries, used in the production of reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shell, boiler drums, liquefied petroleum gas bottles, hydropower stations Water pipes, water turbine scrolls and other equipment and components.